.baba {
  background-color: skyblue;
  width: 500px;
  height: 100px;
  border-radius: 20px; }
  .baba .erzi {
    background-color: red;
    -webkit-transition: all 300ms;
    -moz-transition: all 300ms;
    transition: all 300ms;
    width: 30px;
    height: 20px; }
